Tongue retention device



FIG. 1 is a top view thereof;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side elevational thereof, the right side elevational view being identical thereto; and,

FIG. 5 is a back perspective view thereof. 

The ornamental design for a tongue retention device, as shown and described. 